JP4159022B2 - Preparation of diazonaphthoquinonesulfonyl chloride using diphosgene and triphosgene. - Google Patents
Preparation of diazonaphthoquinonesulfonyl chloride using diphosgene and triphosgene. Download PDFInfo
- Publication number
- JP4159022B2 JP4159022B2 JP2002091918A JP2002091918A JP4159022B2 JP 4159022 B2 JP4159022 B2 JP 4159022B2 JP 2002091918 A JP2002091918 A JP 2002091918A JP 2002091918 A JP2002091918 A JP 2002091918A JP 4159022 B2 JP4159022 B2 JP 4159022B2
- Authority
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- Prior art keywords
- sodium salt
- naphthoquinone
- diazo
- acid sodium
- process according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- HCUYBXPSSCRKRF-UHFFFAOYSA-N diphosgene Chemical compound ClC(=O)OC(Cl)(Cl)Cl HCUYBXPSSCRKRF-UHFFFAOYSA-N 0.000 title claims description 16
- UCPYLLCMEDAXFR-UHFFFAOYSA-N triphosgene Chemical compound ClC(Cl)(Cl)OC(=O)OC(Cl)(Cl)Cl UCPYLLCMEDAXFR-UHFFFAOYSA-N 0.000 title claims description 16
- NAOAMSZZEPAPNP-UHFFFAOYSA-N 3-chlorosulfonyl-2-diazonio-4-oxo-3h-naphthalen-1-olate Chemical compound C1=CC=C2C(=O)C(=[N+]=[N-])C(S(=O)(=O)Cl)C(=O)C2=C1 NAOAMSZZEPAPNP-UHFFFAOYSA-N 0.000 title claims description 12
- 238000002360 preparation method Methods 0.000 title description 5
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 87
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 72
- 238000000034 method Methods 0.000 claims description 32
- 239000005457 ice water Substances 0.000 claims description 26
- 239000011541 reaction mixture Substances 0.000 claims description 19
- 150000007530 organic bases Chemical class 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 10
- GLFDNESHYPXAQD-UHFFFAOYSA-M sodium 3-diazo-1,4-dioxonaphthalene-2-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)C1C(=O)c2ccccc2C(=O)C1=[N+]=[N-] GLFDNESHYPXAQD-UHFFFAOYSA-M 0.000 claims description 10
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 9
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 6
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 claims description 6
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 6
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 claims description 6
- 239000003960 organic solvent Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 3
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 claims description 3
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 3
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 claims description 3
- -1 triproplyamine Chemical compound 0.000 claims 1
- 239000002244 precipitate Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 8
- NDMUQNOYNAWAAL-UHFFFAOYSA-N 3-diazo-1,4-dioxonaphthalene-2-sulfonic acid Chemical compound C1=CC=C2C(=O)C(=[N+]=[N-])C(S(=O)(=O)O)C(=O)C2=C1 NDMUQNOYNAWAAL-UHFFFAOYSA-N 0.000 description 7
- 239000007789 gas Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- KEQGZUUPPQEDPF-UHFFFAOYSA-N 1,3-dichloro-5,5-dimethylimidazolidine-2,4-dione Chemical compound CC1(C)N(Cl)C(=O)N(Cl)C1=O KEQGZUUPPQEDPF-UHFFFAOYSA-N 0.000 description 4
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 238000002835 absorbance Methods 0.000 description 4
- XTHPWXDJESJLNJ-UHFFFAOYSA-N chlorosulfonic acid Substances OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 description 4
- 238000005160 1H NMR spectroscopy Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 3
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 3
- 238000004949 mass spectrometry Methods 0.000 description 3
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
【0001】
【発明の属する技術分野】
本発明は、電子工業及び色素工業における有用な中間体であるジアゾナフトキノンスルホニルクロリドの調製方法に関する。本研究は、ジホスゲン又はトリホスゲンを使用した、式1〜3
【化2】
を有するジアゾナフトキノンスルホニルクロリドの、対応するジアゾナフトキノンスルホン酸又はそのナトリウム塩からの調製の方法に関する。
【0002】
これらのジアゾナフトキノンスルホニルクロリドの調製に関する関心は、様々なエステルへと変換され、電子工業において必要とされるフォトレジストの製造において使用されうることである。
【0003】
【従来の技術】
いくつかのジアゾナフトキノンスルホニルクロリド調製法が文献に報告されており、同報告を利点及び欠点と共に以下に論じる。
【0004】
ジアゾナフトキノンスルホニルクロリドの調製に関して先行技術において報告された方法は、クロロスルホン酸及び対応するジアゾナフトキノンスルホン酸又はその塩を使用することを含む(CA,vol.124,32490e,PL161,627,1993年;CA,vol.64,2033,USSR 173,756,1965年;J.Prak.Chem.,1991年,vol.333,p467)。この方法の主な欠点は、過剰のクロロスルホン酸の使用、反応温度、並びに二酸化硫黄及び塩化水素のような気体の放散である。
【0005】
もう一つの方法は、塩化チオニルと、触媒としてのジメチルホルムアミドと、対応するジアゾナフトキノンスルホン酸又はその塩との使用を含む。この方法にも、反応混合物の加熱、過剰の塩化チオニルの使用、並びに二酸化硫黄及び塩化水素ガスの放散のような欠点がある(CA,vol.96,34766b,Khim.Process,1981年,p505(Russ))。
【0006】
もう一つの方法は、対応するジアゾナフトキノンスルホン酸又はその塩と共に、塩化チオニルと組み合わされたクロロスルホン酸を使用することを含む。主な欠点は、前述と同様である(CA,vol.105,208620w,Ger(East)272,511,1985年及びDD234,000,1986年;CA vol.112,178384x,Ger(East)DD269,846,1989年,Ger(East)312,180,1988年;CA,vol.124,302642u,JP08,27,098,1996;CA,vol.125,170873d,RO104,624,1994年)。
【0007】
さらにもう一つの方法は、対応するジアゾナフトキノンスルホン酸又はその塩と共にホスゲン(有毒ガス)を使用することを含む。この方法は、最適な温度条件を有するが、最大の欠点は有毒ホスゲンガスを利用する点である(CA,vol.102,113031d,JP59,196,860,1984年;CA,vol.105,60439w,EP178,356,1986年)。
【0008】
本発明は、クロロメタン溶媒中で、トリエチルアミン塩基の存在下で、対応するジアゾナフトキノンスルホン酸又はその塩をジホスゲン又はトリホスゲンのいずれかと反応させることによる、ジアゾナフトキノンスルホニルクロリドを調製するための全く新規な方法を記載する。クロロホルム、1,2−ジクロロエタン、ベンゼン、トルエン、アセトニトリル、ベンゾニトリル、ニトロベンゼン等のような様々な溶媒も、使用される。トリブチルアミン、ピリジン、トリプロプルアミン、N,N−ジメチルアニリン、N,N−ジエチルアミン等のような有機塩基も、利用される。溶媒としてはジクロロメタン、そして有機塩基としてはトリエチルアミンが好ましい。反応の温度は、−50〜+5℃にわたり変動させたが、−40℃が好ましい温度条件である。塩基は、反応の実施にとって必須であることが見出され、有機塩基が存在しない場合には反応が生じない。2モル等量比の塩基が見出された適切な組み合わせである。生成物ジアゾナフトキノンスルホニルクロリドのワークアップ法及び単離は、極めて単純かつ迅速である。反応後、有機塩基及び溶媒は回収されうる。生成物の単離の後、残存した濾液は、UV−可視吸光度データにより判定されるように、未反応のジアゾナフトキノンスルホン酸を含有する。生成物は、スペクトルデータにより特徴決定された。
【0009】
【発明の実施の形態】
従って、本発明は、ジホスゲン又はトリホスゲンを使用した、式1〜3
【化3】
のジアゾナフトキノンスルホニルクロリドの調製方法を提供する。該方法は、有機溶媒中で、1:1〜1:1.5の範囲のジアゾナフトキノンスルホン酸ナトリウム塩/ジホスゲン又はトリホスゲンのモル比のジホスゲン又はトリホスゲンの存在下で、−50〜5℃の範囲の温度で、40〜90分の範囲の時間、1:1.5〜1:2.5の範囲のモル比でジアゾナフトキノンスルホン酸ナトリウム塩を有機塩基と反応させること、続いて温度を20〜25℃に上昇させること、真空下で前記反応混合物から溶媒及び塩基を除去して黄色の粉末生成物を得ること、並びに氷水中で所望の生成物を再沈殿させること、を含む。
【0010】
本発明の一実施態様において、使用される有機塩基は、トリエチルアミン、トリブチルアミン、ピリジン、トリプロプルアミン、N,N−ジメチルアニリン、及びN,N−ジエチルアミンからなる群より選択される。
【0011】
もう一つの実施態様において、使用される有機塩基は、トリエチルアミンである。
【0012】
さらにもう一つの実施態様において、使用される有機溶媒は、クロロホルム、1,2−ジクロロエタン、ベンゼン、トルエン、アセトニトリル、ベンゾニトリル、ニトロベンゼン、及びジクロロメタンからなる群より選択される。
【0013】
さらにもう一つの実施態様において、使用される有機溶媒は、ジクロロメタンである。
【0014】
さらにもう一つの実施態様において、使用されるジアゾナフトキノンスルホン酸ナトリウム塩/有機塩基のモル比は、1:2である。
【0015】
さらにもう一つの実施態様において、使用されるジアゾナフトキノンスルホン酸ナトリウム塩/ジホスゲン又はトリホスゲンのモル比は、1:1である。
【0016】
さらにもう一つの実施態様において、使用される反応温度は、−50℃である。
【0017】
さらにもう一つの実施態様において、使用されるジアゾナフトキノンスルホン酸ナトリウム塩は、2−ジアゾ−1−ナフトキノン−4−スルホン酸ナトリウム塩、2−ジアゾ−1−ナフトキノン−5−スルホン酸ナトリウム塩、及び1−ジアゾ−2−ナフトキノン−4−スルホン酸ナトリウム塩より選択される。
【0018】
さらにもう一つの実施態様において、得られるジアゾナフトキノンスルホニルクロリドは、式1の2−ジアゾ−1−ナフトキノン−4−スルホニルクロリド、式2の2−ジアゾ−1−ナフトキノン−5−スルホニルクロリド、及び式3の1−ジアゾ−2−ナフトキノン−4−スルホニルクロリドより選択される。
【0019】
下記の実施例は本発明を例示するものであり、従って、本発明の範囲を限定するものと理解すべきではない。
【0020】
【実施例】
実施例1:
2−ジアゾ−1−ナフトキノン−4−スルホン酸ナトリウム塩(2.72g;0.01mol)をジクロロメタン25mlにとり、−50℃に冷却した。温度を−50℃に維持しながら、トリエチルアミン(2.02g;0.02mol)を前記溶液に添加した。次いで、温度を−50℃に維持し、撹拌しながら、ジホスゲン(2.18g;0.011mol)を含むジクロロメタン15mlを、20分かけて極めてゆっくりと添加した。反応混合物を−50℃で60分間磁気撹拌した。反応混合物を室温に戻し、次いでジクロロメタン及びトリエチルアミンを真空下で除去した。残存した黄色粉末を氷水に注入し、氷水中にそれを5分間保持した後、形成された沈殿物を濾過し、氷水で洗浄し、真空乾燥機で乾燥させた。乾燥した2−ジアゾ−1−ナフトキノン−4−スルホニルクロリドの重量は2.14g(0.0080mol)であった(収率80%、m.p138〜140℃)。2−ジアゾ−1−ナフトキノン−4−スルホニルクロリドを、UV−可視吸光度、1H−nmr、及び質量分析により特徴決定した。
【0021】
実施例2:
2−ジアゾ−1−ナフトキノン−4−スルホン酸ナトリウム塩(10g;0.037mol)をジクロロメタン90mlにとり、−50℃に冷却した。温度を−50℃に維持しながら、トリエチルアミン(7.4g;0.073mol)を前記溶液に添加した。次いで、温度を−50℃に維持し、撹拌しながら、ジホスゲン(7.35g;0.037mol)を含むジクロロメタン15mlを、30分かけて極めてゆっくりと添加した。反応混合物を−50℃で60分間磁気撹拌した。反応混合物を室温に戻し、次いでジクロロメタン及びトリエチルアミンを真空下で除去した。残存した黄色粉末を氷水に注入し、氷水中にそれを5分間保持した後、形成された沈殿物を濾過し、氷水で洗浄し、真空乾燥機で乾燥させた。乾燥した2−ジアゾ−1−ナフトキノン−4−スルホニルクロリドの重量は7.93g(0.0296mol)であった(収率80%)。
【0022】
実施例3:
2−ジアゾ−1−ナフトキノン−5−スルホン酸ナトリウム塩(2.72g;0.01mol)をジクロロメタン25mlにとり、−50℃に冷却した。温度を−50℃に維持しながら、トリエチルアミン(2.02g;0.02mol)を前記溶液に添加した。次いで、温度を−50℃に維持し、撹拌しながら、ジホスゲン(2.18g;0.011mol)を含むジクロロメタン15mlを、20分かけて極めてゆっくりと添加した。。反応混合物を−50℃で60分間磁気撹拌した。反応混合物を室温に戻し、次いでジクロロメタン及びトリエチルアミンを真空下で除去した。残存した黄色粉末を氷水に注入し、氷水中にそれを5分間保持した後、形成された沈殿物を濾過し、氷水で洗浄し、真空乾燥機で乾燥させた。乾燥した2−ジアゾ−1−ナフトキノン−5−スルホニルクロリドの重量は2.14g(0.0080mol)であった(収率80%、m.p135〜138℃)。2−ジアゾ−1−ナフトキノン−5−スルホニルクロリドを、UV−可視吸光度、1H−nmr、及び質量分析により特徴決定した。
【0023】
実施例4:
2−ジアゾ−1−ナフトキノン−5−スルホン酸ナトリウム塩(10g;0.037mol)をジクロロメタン90mlにとり、−50℃に冷却した。温度を−50℃に維持しながら、トリエチルアミン(7.4g;0.073mol)を前記溶液に添加した。次いで、温度を−50℃に維持し、撹拌しながら、ジホスゲン(7.35g;0.037mol)を含むジクロロメタン15mlを、30分かけて極めてゆっくりと添加した。反応混合物を−50℃で60分間磁気撹拌した。反応混合物を室温に戻し、次いでジクロロメタン及びトリエチルアミンを真空下で除去した。残存した黄色粉末を氷水に注入し、氷水中にそれを5分間保持した後、形成された沈殿物を濾過し、氷水で洗浄し、真空乾燥機で乾燥させた。乾燥した2−ジアゾ−1−ナフトキノン−5−スルホニルクロリドの重量は7.93g(0.0296mol)であった(収率80%)。
【0024】
実施例5:
1−ジアゾ−2−ナフトキノン−4−スルホン酸ナトリウム塩(2.72g;0.01mol)をジクロロメタン25mlにとり、−50℃に冷却した。温度を−50℃に維持しながら、トリエチルアミン(2.02g;0.02mol)を前記溶液に添加した。次いで、温度を−50℃に維持し、撹拌しながら、ジホスゲン(2.18g;0.011mol)を含むジクロロメタン15mlを、20分かけて極めてゆっくりと添加した。反応混合物を−50℃で60分間磁気撹拌した。反応混合物を室温に戻し、次いでジクロロメタン及びトリエチルアミンを真空下で除去した。残存した黄色粉末を氷水に注入し、氷水中にそれを5分間保持した後、形成された沈殿物を濾過し、氷水で洗浄し、真空乾燥機で乾燥させた。乾燥した1−ジアゾ−2−ナフトキノン−4−スルホニルクロリドの重量は2.14g(0.0080mol)であった(収率80%、m.p138〜140℃)。1−ジアゾ−2−ナフトキノン−4−スルホニルクロリドを、UV−可視吸光度、1H−nmr、及び質量分析により特徴決定した。
【0025】
実施例6:
2−ジアゾ−1−ナフトキノン−4−スルホン酸ナトリウム塩(2.72g;0.01mol)をジクロロメタン25mlにとり、−50℃に冷却した。温度を−50℃に維持しながら、トリエチルアミン(2.02g;0.02mol)を前記溶液に添加した。次いで、温度を−50℃に維持し、撹拌しながら、トリホスゲン(3.2g;0.011mol)を含むジクロロメタン15mlを、20分かけて極めてゆっくりと添加した。反応混合物を−50℃で60分間磁気撹拌した。反応混合物を室温に戻し、次いでジクロロメタン及びトリエチルアミンを真空下で除去した。残存した黄色粉末を氷水に注入し、氷水中にそれを5分間保持した後、形成された沈殿物を濾過し、氷水で洗浄し、真空乾燥機で乾燥させた。乾燥した2−ジアゾ−1−ナフトキノン−4−スルホニルクロリドの重量は2.14g(0.0080mol)であった(収率80%)。
【0026】
実施例7:
2−ジアゾ−1−ナフトキノン−5−スルホン酸ナトリウム塩(2.72g;0.01mol)をジクロロメタン25mlにとり、−50℃に冷却した。温度を−50℃に維持しながら、トリエチルアミン(2.02g;0.02mol)を前記溶液に添加した。次いで、温度を−50℃に維持し、撹拌しながら、トリホスゲン(3.2g;0.011mol)を含むジクロロメタン15mlを、20分かけて極めてゆっくりと添加した。反応混合物を−50℃で60分間磁気撹拌した。反応混合物を室温に戻し、次いでジクロロメタン及びトリエチルアミンを真空下で除去した。残存した黄色粉末を氷水に注入し、氷水中にそれを5分間保持した後、形成された沈殿物を濾過し、氷水で洗浄し、真空乾燥機で乾燥させた。乾燥した2−ジアゾ−1−ナフトキノン−5−スルホニルクロリドの重量は2.14g(0.0080mol)であった(収率80%)。
【0027】
実施例8:
1−ジアゾ−2−ナフトキノン−4−スルホン酸ナトリウム塩(2.72g;0.01mol)をジクロロメタン25mlにとり、−50℃に冷却した。温度を−50℃に維持しながら、トリエチルアミン(2.02g;0.02mol)を前記溶液に添加した。次いで、温度を−50℃に維持し、撹拌しながら、トリホスゲン(3.2g;0.011mol)を含むジクロロメタン15mlを、20分かけて極めてゆっくりと添加した。反応混合物を−50℃で60分間磁気撹拌した。反応混合物を室温に戻し、次いでジクロロメタン及びトリエチルアミンを真空下で除去した。残存した黄色粉末を氷水に注入し、氷水中にそれを5分間保持した後、形成された沈殿物を濾過し、氷水で洗浄し、真空乾燥機で乾燥させた。乾燥した1−ジアゾ−2−ナフトキノン−4−スルホニルクロリドの重量は2.14g(0.0080mol)であった(収率80%)。
【0028】
【発明の効果】
本方法の様々な利点を以下に示す。
本方法の主な利点は、極めて穏和な実験条件が、極めて良好な収率が得られるよう、適当に調整され画定される点である。
本方法の利点は、反応温度が−50〜0℃(好ましくは−40℃)付近に画定される点である。
本方法の利点は、有毒ホスゲンガスと比較して、新規なジホスゲン/トリホスゲン試薬が使用される点である。
本方法の利点は、SO2及びHClのような腐食性のガスの放散がなく、従って環境に優しい点である。
本方法の利点は、利用されるホスゲン、クロロスルホン酸、及び塩化チオニルが過剰である、他に報告されている手法と比較して、ジホスゲン/トリホスゲン(1:1等量)の使用が最適である点である。
本方法の利点は、反応の実施に、わずか2等量のトリエチルアミンを必要とする点である。
本方法の利点は、使用された有機塩基トリエチルアミンが回収されうる点である。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a method for preparing diazonaphthoquinonesulfonyl chloride, which is a useful intermediate in the electronics industry and the dye industry. This study is based on formulas 1-3 using diphosgene or triphosgene.
[Chemical 2]
It relates to a process for the preparation of diazonaphthoquinonesulfonyl chloride having the following from the corresponding diazonaphthoquinonesulfonic acid or its sodium salt.
[0002]
An interest in the preparation of these diazonaphthoquinonesulfonyl chlorides is that they can be converted into various esters and used in the manufacture of photoresists required in the electronics industry.
[0003]
[Prior art]
Several methods for preparing diazonaphthoquinonesulfonyl chloride have been reported in the literature and are discussed below with advantages and disadvantages.
[0004]
The method reported in the prior art for the preparation of diazonaphthoquinonesulfonyl chloride involves the use of chlorosulfonic acid and the corresponding diazonaphthoquinonesulfonic acid or its salts (CA, vol. 124, 32490e, PL 161, 627, 1993). CA, vol. 64, 2033, USSR 173, 756, 1965; J. Prak. Chem., 1991, vol. 333, p467). The main drawbacks of this method are the use of excess chlorosulfonic acid, the reaction temperature, and the evolution of gases such as sulfur dioxide and hydrogen chloride.
[0005]
Another method involves the use of thionyl chloride, dimethylformamide as a catalyst, and the corresponding diazonaphthoquinone sulfonic acid or salt thereof. This method also has disadvantages such as heating of the reaction mixture, the use of excess thionyl chloride, and the evolution of sulfur dioxide and hydrogen chloride gas (CA, vol. 96, 34766b, Khim. Process, 1981, p505 ( Russ)).
[0006]
Another method involves using chlorosulfonic acid in combination with thionyl chloride with the corresponding diazonaphthoquinonesulfonic acid or salt thereof. The main drawbacks are the same as described above (CA, vol. 105, 208620w, Ger (East) 272, 511, 1985 and DD 234,000, 1986; CA vol. 112, 178384x, Ger (East) DD 269, 844, 1989, Ger (East) 312, 180, 1988; CA, vol. 124, 302642u, JP08, 27, 098, 1996; CA, vol. 125, 170873d, RO104, 624, 1994).
[0007]
Yet another method involves the use of phosgene (toxic gas) with the corresponding diazonaphthoquinone sulfonic acid or salt thereof. This method has optimum temperature conditions, but the biggest drawback is that it uses toxic phosgene gas (CA, vol. 102, 113031d, JP 59, 196, 860, 1984; CA, vol. 105, 60439w, EP 178, 356, 1986).
[0008]
The present invention is a completely new process for preparing diazonaphthoquinonesulfonyl chloride by reacting the corresponding diazonaphthoquinonesulfonic acid or its salt with either diphosgene or triphosgene in the presence of triethylamine base in chloromethane solvent. Describes the method. Various solvents such as chloroform, 1,2-dichloroethane, benzene, toluene, acetonitrile, benzonitrile, nitrobenzene and the like are also used. Organic bases such as tributylamine, pyridine, tripropylamine, N, N-dimethylaniline, N, N-diethylamine and the like are also utilized. The solvent is preferably dichloromethane, and the organic base is preferably triethylamine. The reaction temperature was varied from −50 to + 5 ° C., but −40 ° C. is a preferred temperature condition. The base is found to be essential for carrying out the reaction and no reaction occurs in the absence of an organic base. A suitable combination in which two molar equivalent ratios of base have been found. The work-up and isolation of the product diazonaphthoquinonesulfonyl chloride is very simple and rapid. After the reaction, the organic base and solvent can be recovered. After product isolation, the remaining filtrate contains unreacted diazonaphthoquinone sulfonic acid as determined by UV-visible absorbance data. The product was characterized by spectral data.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Accordingly, the present invention relates to formulas 1-3 using diphosgene or triphosgene.
[Chemical 3]
A process for the preparation of diazonaphthoquinonesulfonyl chloride is provided. The process is carried out in an organic solvent in the presence of diazogene or triphosgene at a molar ratio of diazonaphthoquinonesulfonic acid sodium salt / diphosgene or triphosgene ranging from 1: 1 to 1: 1.5 in the range of −50 to 5 ° C. Reacting diazonaphthoquinonesulfonic acid sodium salt with an organic base in a molar ratio ranging from 1: 1.5 to 1: 2.5 for a time ranging from 40 to 90 minutes, followed by a temperature ranging from 20 to Raising to 25 ° C., removing the solvent and base from the reaction mixture under vacuum to obtain a yellow powder product, and reprecipitating the desired product in ice water.
[0010]
In one embodiment of the invention, the organic base used is selected from the group consisting of triethylamine, tributylamine, pyridine, tripropylamine, N, N-dimethylaniline, and N, N-diethylamine.
[0011]
In another embodiment, the organic base used is triethylamine.
[0012]
In yet another embodiment, the organic solvent used is selected from the group consisting of chloroform, 1,2-dichloroethane, benzene, toluene, acetonitrile, benzonitrile, nitrobenzene, and dichloromethane.
[0013]
In yet another embodiment, the organic solvent used is dichloromethane.
[0014]
In yet another embodiment, the diazonaphthoquinonesulfonic acid sodium salt / organic base molar ratio used is 1: 2.
[0015]
In yet another embodiment, the diazonaphthoquinonesulfonic acid sodium salt / diphosgene or triphosgene molar ratio used is 1: 1.
[0016]
In yet another embodiment, the reaction temperature used is −50 ° C.
[0017]
In yet another embodiment, the diazonaphthoquinone sulfonic acid sodium salt used is 2-diazo-1-naphthoquinone-4-sulfonic acid sodium salt, 2-diazo-1-naphthoquinone-5-sulfonic acid sodium salt, and Selected from 1-diazo-2-naphthoquinone-4-sulfonic acid sodium salt.
[0018]
In yet another embodiment, the resulting diazonaphthoquinonesulfonyl chloride is 2-diazo-1-naphthoquinone-4-sulfonyl chloride of formula 1, 2-diazo-1-naphthoquinone-5-sulfonyl chloride of formula 2, and formula 3 of 1-diazo-2-naphthoquinone-4-sulfonyl chloride.
[0019]
The following examples illustrate the invention and are therefore not to be understood as limiting the scope of the invention.
[0020]
【Example】
Example 1:
2-diazo-1-naphthoquinone-4-sulfonic acid sodium salt (2.72 g; 0.01 mol) was taken up in 25 ml of dichloromethane and cooled to −50 ° C. Triethylamine (2.02 g; 0.02 mol) was added to the solution while maintaining the temperature at −50 ° C. The temperature was then maintained at −50 ° C. and 15 ml of dichloromethane containing diphosgene (2.18 g; 0.011 mol) was added very slowly over 20 minutes with stirring. The reaction mixture was magnetically stirred at −50 ° C. for 60 minutes. The reaction mixture was allowed to return to room temperature and then dichloromethane and triethylamine were removed under vacuum. The remaining yellow powder was poured into ice water and kept in ice water for 5 minutes, after which the formed precipitate was filtered, washed with ice water and dried in a vacuum dryer. The weight of the dried 2-diazo-1-naphthoquinone-4-sulfonyl chloride was 2.14 g (0.0080 mol) (yield 80%, mp 138-140 ° C.). 2-diazo-1-naphthoquinone-4-sulfonyl chloride was characterized by UV-visible absorbance, 1H-nmr, and mass spectrometry.
[0021]
Example 2:
2-diazo-1-naphthoquinone-4-sulfonic acid sodium salt (10 g; 0.037 mol) was taken up in 90 ml of dichloromethane and cooled to −50 ° C. Triethylamine (7.4 g; 0.073 mol) was added to the solution while maintaining the temperature at −50 ° C. The temperature was then maintained at −50 ° C. and 15 ml of dichloromethane containing diphosgene (7.35 g; 0.037 mol) was added very slowly over 30 minutes with stirring. The reaction mixture was magnetically stirred at −50 ° C. for 60 minutes. The reaction mixture was allowed to return to room temperature and then dichloromethane and triethylamine were removed under vacuum. The remaining yellow powder was poured into ice water and kept in ice water for 5 minutes, after which the formed precipitate was filtered, washed with ice water and dried in a vacuum dryer. The weight of the dried 2-diazo-1-naphthoquinone-4-sulfonyl chloride was 7.93 g (0.0296 mol) (yield 80%).
[0022]
Example 3:
2-diazo-1-naphthoquinone-5-sulfonic acid sodium salt (2.72 g; 0.01 mol) was taken up in 25 ml of dichloromethane and cooled to −50 ° C. Triethylamine (2.02 g; 0.02 mol) was added to the solution while maintaining the temperature at −50 ° C. The temperature was then maintained at −50 ° C. and 15 ml of dichloromethane containing diphosgene (2.18 g; 0.011 mol) was added very slowly over 20 minutes with stirring. . The reaction mixture was magnetically stirred at −50 ° C. for 60 minutes. The reaction mixture was allowed to return to room temperature and then dichloromethane and triethylamine were removed under vacuum. The remaining yellow powder was poured into ice water and kept in ice water for 5 minutes, after which the formed precipitate was filtered, washed with ice water and dried in a vacuum dryer. The weight of the dried 2-diazo-1-naphthoquinone-5-sulfonyl chloride was 2.14 g (0.0080 mol) (yield 80%, mp 135-138 ° C.). 2-diazo-1-naphthoquinone-5-sulfonyl chloride was characterized by UV-visible absorbance, 1H-nmr, and mass spectrometry.
[0023]
Example 4:
2-diazo-1-naphthoquinone-5-sulfonic acid sodium salt (10 g; 0.037 mol) was taken up in 90 ml of dichloromethane and cooled to −50 ° C. Triethylamine (7.4 g; 0.073 mol) was added to the solution while maintaining the temperature at −50 ° C. The temperature was then maintained at −50 ° C. and 15 ml of dichloromethane containing diphosgene (7.35 g; 0.037 mol) was added very slowly over 30 minutes with stirring. The reaction mixture was magnetically stirred at −50 ° C. for 60 minutes. The reaction mixture was allowed to return to room temperature and then dichloromethane and triethylamine were removed under vacuum. The remaining yellow powder was poured into ice water and kept in ice water for 5 minutes, after which the formed precipitate was filtered, washed with ice water and dried in a vacuum dryer. The weight of the dried 2-diazo-1-naphthoquinone-5-sulfonyl chloride was 7.93 g (0.0296 mol) (yield 80%).
[0024]
Example 5:
1-diazo-2-naphthoquinone-4-sulfonic acid sodium salt (2.72 g; 0.01 mol) was taken up in 25 ml of dichloromethane and cooled to −50 ° C. Triethylamine (2.02 g; 0.02 mol) was added to the solution while maintaining the temperature at −50 ° C. The temperature was then maintained at −50 ° C. and 15 ml of dichloromethane containing diphosgene (2.18 g; 0.011 mol) was added very slowly over 20 minutes with stirring. The reaction mixture was magnetically stirred at −50 ° C. for 60 minutes. The reaction mixture was allowed to return to room temperature and then dichloromethane and triethylamine were removed under vacuum. The remaining yellow powder was poured into ice water and kept in ice water for 5 minutes, after which the formed precipitate was filtered, washed with ice water and dried in a vacuum dryer. The weight of the dried 1-diazo-2-naphthoquinone-4-sulfonyl chloride was 2.14 g (0.0080 mol) (yield 80%, mp 138-140 ° C.). 1-diazo-2-naphthoquinone-4-sulfonyl chloride was characterized by UV-visible absorbance, 1H-nmr, and mass spectrometry.
[0025]
Example 6:
2-diazo-1-naphthoquinone-4-sulfonic acid sodium salt (2.72 g; 0.01 mol) was taken up in 25 ml of dichloromethane and cooled to −50 ° C. Triethylamine (2.02 g; 0.02 mol) was added to the solution while maintaining the temperature at −50 ° C. The temperature was then maintained at −50 ° C. and 15 ml of dichloromethane containing triphosgene (3.2 g; 0.011 mol) was added very slowly over 20 minutes with stirring. The reaction mixture was magnetically stirred at −50 ° C. for 60 minutes. The reaction mixture was allowed to return to room temperature and then dichloromethane and triethylamine were removed under vacuum. The remaining yellow powder was poured into ice water and kept in ice water for 5 minutes, after which the formed precipitate was filtered, washed with ice water and dried in a vacuum dryer. The weight of the dried 2-diazo-1-naphthoquinone-4-sulfonyl chloride was 2.14 g (0.0080 mol) (yield 80%).
[0026]
Example 7:
2-diazo-1-naphthoquinone-5-sulfonic acid sodium salt (2.72 g; 0.01 mol) was taken up in 25 ml of dichloromethane and cooled to −50 ° C. Triethylamine (2.02 g; 0.02 mol) was added to the solution while maintaining the temperature at −50 ° C. The temperature was then maintained at −50 ° C. and 15 ml of dichloromethane containing triphosgene (3.2 g; 0.011 mol) was added very slowly over 20 minutes with stirring. The reaction mixture was magnetically stirred at −50 ° C. for 60 minutes. The reaction mixture was allowed to return to room temperature and then dichloromethane and triethylamine were removed under vacuum. The remaining yellow powder was poured into ice water and kept in ice water for 5 minutes, after which the formed precipitate was filtered, washed with ice water and dried in a vacuum dryer. The weight of the dried 2-diazo-1-naphthoquinone-5-sulfonyl chloride was 2.14 g (0.0080 mol) (yield 80%).
[0027]
Example 8:
1-diazo-2-naphthoquinone-4-sulfonic acid sodium salt (2.72 g; 0.01 mol) was taken up in 25 ml of dichloromethane and cooled to −50 ° C. Triethylamine (2.02 g; 0.02 mol) was added to the solution while maintaining the temperature at −50 ° C. The temperature was then maintained at −50 ° C. and 15 ml of dichloromethane containing triphosgene (3.2 g; 0.011 mol) was added very slowly over 20 minutes with stirring. The reaction mixture was magnetically stirred at −50 ° C. for 60 minutes. The reaction mixture was allowed to return to room temperature and then dichloromethane and triethylamine were removed under vacuum. The remaining yellow powder was poured into ice water and kept in ice water for 5 minutes, after which the formed precipitate was filtered, washed with ice water and dried in a vacuum dryer. The weight of the dried 1-diazo-2-naphthoquinone-4-sulfonyl chloride was 2.14 g (0.0080 mol) (yield 80%).
[0028]
【The invention's effect】
Various advantages of this method are shown below.
The main advantage of this method is that very mild experimental conditions are appropriately tuned and defined to obtain very good yields.
The advantage of this method is that the reaction temperature is defined around −50 to 0 ° C. (preferably −40 ° C.).
The advantage of this method is that a new diphosgene / triphosgene reagent is used compared to toxic phosgene gas.
The advantage of this method is that it does not dissipate corrosive gases such as SO 2 and HCl and is therefore environmentally friendly.
The advantage of this method is that the use of diphosgene / triphosgene (1: 1 equivalent) is optimal compared to other reported approaches where excess phosgene, chlorosulfonic acid, and thionyl chloride are utilized. There is a point.
The advantage of this method is that it requires only 2 equivalents of triethylamine to carry out the reaction.
The advantage of this method is that the organic base triethylamine used can be recovered.
Claims (10)
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